渔业资源和渔场学的研究内容。

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问题:

渔业资源和渔场学的研究内容。

考点:初级中学美术渔业导论渔业导论题库
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Yesterday, I entered the website “ Topic for today”, I feel ____1____ (interest) in the report on middle school students’ using cellphones on campus. In fact, many students now come to school ____2____ cellphones. My schoolmates have different opinions. Some think ____3___it is convenient to get in touch with others with the cellphone, which also ____4____(let) you feel safe especially in time of trouble. Besides, it is nice to enjoy various functions of different cellphones. ____5____ think differently. First, the cellphone is not a must in school, as ___6_____ are some IC phones in the school _____7___(make) it easy to call others. Second, many students often play e-games and send e-messages with their cellphones, even in class, ___8____ will surely have bad effects on their study. What’s more, it will result in a great waste of time. In my opinion, the cellphone is _____9___ useful tool in our daily life. But it doesn’t mean we can use it ____10____(free) in school.

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根据56÷4=14,运用商不变规律写两道除法算式.

______÷______=14

______÷______=14.

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动静脉畸形最常见的症状是()

A.癫痫

B.出血

C.偏瘫

D.失语

E.精神障碍

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槟榔肝是由()引起的

A.肝脂变

B.肝水变性

C.门脉性肝硬化

D.慢性肝淤血

E.坏死后性肝硬化

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某海滨城市一建筑工程,16层施工时正遇台风多雨季节,为了保质保量完成施工任务,项目部制定了安全文明保障措施,落实了防火措施,主要部位设置了安全警示标志牌,并加强了对高空作业人员的安全教育。安全员在检查时,发现存在以下问题:①下雨天,地下室用电不符合要求;②临时消防水管不符合要求;③电焊工动火时未经审批批准。

该项目部为贯彻ISO 14000环境管理体系,制定了建筑工程施工环境管理计划,下列不属于环境保护内容的是( )。

A.噪声控制

B.固体废弃物控制

C.污水控制

D.易燃易爆物控制

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